- Mon May 1, 2006, 5:00 AM GMT
Robin Williams' family-vacation romp "RV" opened at No. 1 with $16.4 million, while the acclaimed Sept. 11 drama "United 93" debuted with $11.6 millioREAD MORE
When a colleague is murdered, Secret Service agent Pete Garrison is put in charge of the investigation. But Garrison himself becomes a suspect after he is blackmailed by someone who knows of his affair with the first lady. Stripped of his duties and now a fugitive, Garrison races to prove his innocence and save the president's life.